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-rw-r--r--src/pmview/text.cpp334
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diff --git a/src/pmview/text.cpp b/src/pmview/text.cpp
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+/*
+ * Copyright (c) 1995 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2009 Aconex. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+#include <Inventor/Qt/viewers/SoQtExaminerViewer.h>
+#include <Inventor/actions/SoGetBoundingBoxAction.h>
+#include <Inventor/nodes/SoPickStyle.h>
+#include <Inventor/nodes/SoTranslation.h>
+#include <Inventor/nodes/SoRotation.h>
+#include <Inventor/nodes/SoCube.h>
+#include "main.h"
+#include "text.h"
+
+#include <iostream>
+using namespace std;
+
+const char *Text::theHeightStr = "gjpqy|_";
+
+SoFont *Text::theSmallFont = (SoFont *)0;
+SoFont *Text::theMediumFont = (SoFont *)0;
+SoFont *Text::theLargeFont = (SoFont *)0;
+
+SbVec3f Text::theColor(1.0, 1.0, 1.0);
+SoGetBoundingBoxAction *Text::theBoxAction = (SoGetBoundingBoxAction *)0;
+
+Text::~Text()
+{
+}
+
+Text::Text(const QString &theString,
+ Direction theDir,
+ FontSize theFontSize,
+ bool rightJust)
+: _width(0),
+ _depth(0),
+ _dir(theDir),
+ _fontSize(theFontSize),
+ _rightJustFlag(rightJust),
+ _root(0),
+ _translation(0)
+{
+ float x = 0.0;
+ float y = 0.0;
+ float z = 0.0;
+ int width = 0;
+ int height = 0;
+ SoRotation *rot1;
+ SoRotation *rot2;
+ SoText3 *theText;
+
+ _root = new SoSeparator;
+ _translation = new SoTranslation;
+ theText = new SoText3;
+
+ SoPickStyle *style = new SoPickStyle;
+ style->style = SoPickStyle::UNPICKABLE;
+ _root->addChild(style);
+
+ if (theSmallFont == (SoFont *)0) {
+ char * font = getenv ("PMVIEW_FONT");
+
+ theSmallFont = new SoFont;
+ theMediumFont = new SoFont;
+ theLargeFont = new SoFont;
+
+ if ( font != NULL ) {
+ theSmallFont->name.setValue(font);
+ theMediumFont->name.setValue(font);
+ theLargeFont->name.setValue(font);
+#ifdef __sgi
+ } else {
+ // On Irix we know that Helvetica-Narrow is shipped as part
+ // of x_eoe.sw.Xfonts, so we're going to use it since it's
+ // an easier font to render compared to Times.
+ theSmallFont->name.setValue("Helvetica-Narrow");
+ theMediumFont->name.setValue("Helvetica-Narrow");
+ theLargeFont->name.setValue("Helvetica-Narrow");
+#endif
+ }
+
+ theSmallFont->size.setValue(14);
+ theMediumFont->size.setValue(24);
+ theLargeFont->size.setValue(32);
+ theSmallFont->ref();
+ theMediumFont->ref();
+ theLargeFont->ref();
+ theBoxAction = new SoGetBoundingBoxAction(pmview->viewer()->getViewportRegion());
+ }
+
+ switch(_fontSize) {
+ case small:
+ _root->addChild(theSmallFont->copy());
+ break;
+ case medium:
+ _root->addChild(theMediumFont->copy());
+ break;
+ case large:
+ _root->addChild(theLargeFont->copy());
+ break;
+ default:
+#ifdef PCP_DEBUG
+ if (pmDebug & DBG_TRACE_APPL1)
+ cerr << "Text::Text: Illegal size specified" << endl;
+#endif
+ _fontSize = medium;
+ _root->addChild(theMediumFont->copy());
+ }
+
+ _translation->translation.setValue(0.0, 0.0, 0.0);
+ _root->addChild(_translation);
+
+#ifdef PCP_DEBUG
+ if (pmDebug & DBG_TRACE_APPL1) {
+ SoSeparator *sep = new SoSeparator;
+ _root->addChild(sep);
+ SoBaseColor *col = new SoBaseColor;
+ col->rgb.setValue(1.0, 0.0, 0.0);
+ sep->addChild(col);
+ SoCube *cube = new SoCube;
+ cube->width.setValue(3);
+ cube->depth.setValue(3);
+ cube->height.setValue(20);
+ sep->addChild(cube);
+ }
+#endif
+
+ if (_dir != vertical) {
+
+ rot1 = new SoRotation;
+ rot1->rotation.setValue(SbVec3f(1,0,0), -M_PI/2);
+ _root->addChild(rot1);
+
+ switch(_dir) {
+ case left:
+ rot2 = new SoRotation;
+ rot2->rotation.setValue(SbVec3f(0,0,1), M_PI);
+ _root->addChild(rot2);
+ break;
+ case down:
+ rot2 = new SoRotation;
+ rot2->rotation.setValue(SbVec3f(0,0,1), -M_PI/2);
+ _root->addChild(rot2);
+ break;
+ case up:
+ rot2 = new SoRotation;
+ rot2->rotation.setValue(SbVec3f(0,0,1), M_PI/2);
+ _root->addChild(rot2);
+ break;
+ default:
+ break;
+ }
+
+ if (((_dir == left || _dir == up) && !_rightJustFlag) ||
+ ((_dir == right || _dir == down) && !_rightJustFlag)) {
+ theText->justification = SoText3::RIGHT;
+ }
+
+ theText->parts = SoText3::FRONT;
+ theText->string.setValue((const char *)theString.toAscii());
+ _root->addChild(theText);
+
+ _root->ref();
+ theBoxAction->apply(_root);
+ SbXfBox3f box = theBoxAction->getBoundingBox();
+ box.getSize(x, y, z);
+
+ if (x < 0.0 || y < 0.0 || z < 0.0) {
+#ifdef PCP_DEBUG
+ if (pmDebug & DBG_TRACE_APPL2) {
+ cerr << "Text::Text: Bogus bounding box returned for \""
+ << theString << "\": x = " << x << ", y = " << y
+ << ", z = " << z << endl;
+ }
+#endif
+ x = 0.0;
+ y = 0.0;
+ z = 0.0;
+ }
+
+ _width = (int)ceilf(x);
+ _depth = (int)ceilf(z);
+
+ const char *hasLow = strpbrk((const char *)theString.toAscii(), theHeightStr);
+
+#ifdef PCP_DEBUG
+ if (pmDebug & DBG_TRACE_APPL1) {
+ cerr << "Text::Text: " << theString << ": width = "
+ << _width << " height = " << _depth << " low = "
+ << ((hasLow != (char *)0) ? 1 : 0) << endl;
+ }
+#endif
+
+ switch(_dir) {
+ case left:
+ if (hasLow != (char *)0) {
+ _translation->translation.setValue(1, 1, _depth * 0.3);
+ _depth = (int)(_depth * 1.2);
+ }
+ else
+ _translation->translation.setValue(1, 1, 0);
+ _width += 2;
+ break;
+ case right:
+ if (hasLow != (char *)0) {
+ _translation->translation.setValue(1, 1, _depth * 0.85);
+ _depth = (int)(_depth * 1.2);
+ }
+ else
+ _translation->translation.setValue(1, 1, _depth);
+ _width += 2;
+ break;
+ case down:
+ if (hasLow != (char *)0) {
+ _translation->translation.setValue(_width * 0.3, 1, 1);
+ _width = (int)(_width * 1.2);
+ }
+ else
+ _translation->translation.setValue(0, 1, 1);
+ _depth += 2;
+ break;
+ case up:
+ if (hasLow != (char *)0) {
+ _translation->translation.setValue(_width * 0.85, 1, 1);
+ _width = (int)(_width * 1.2);
+ }
+ else
+ _translation->translation.setValue(_width, 1, 1);
+ _depth += 2;
+ break;
+ default:
+#ifdef PCP_DEBUG
+ if (pmDebug & DBG_TRACE_APPL1)
+ cerr << "Text::Text: Illegal direction specified ("
+ << (int)_dir << ")" << endl;
+#endif
+ break;
+ }
+ }
+ else {
+ char c[2] = { ' ', '\0' };
+ SoSeparator *sep;
+ SoTranslation *tran;
+ SoRotation *rot;
+ width = 0;
+ height = 0;
+
+ for (int i = 0; i < theString.length(); i++) {
+ c[0] = ((const char *)theString.toAscii())[i];
+ sep = new SoSeparator;
+ tran = new SoTranslation;
+ rot = new SoRotation;
+ rot->rotation.setValue(SbVec3f(1,0,0), -M_PI/2);
+ theText->string.setValue(c);
+ theText->parts = SoText3::FRONT;
+
+ _root->addChild(sep);
+ sep->addChild(rot);
+ sep->addChild(tran);
+ sep->addChild(theText);
+
+ theBoxAction->apply(sep);
+ SbXfBox3f box = theBoxAction->getBoundingBox();
+ box.getSize(x, y, z);
+
+ width = (int)ceilf(x);
+ height = (int)ceilf(z);
+
+// TODO: This bounding box is wrong.
+
+ if (width*2 > _width)
+ _width = width*2;
+
+ _depth += (height + 2) * 2;
+
+ tran->translation.setValue(0, -_depth, 1);
+
+ if (i < theString.length() - 1) {
+ theText = new SoText3;
+ }
+ }
+ }
+}
+
+
+QTextStream&
+operator<<(QTextStream& os, Text const& rhs)
+{
+ rhs.display(os);
+ return os;
+}
+
+void
+Text::display(QTextStream& os) const
+{
+ os << "Text: dir = ";
+ switch(_dir) {
+ case left:
+ os << "left";
+ break;
+ case right:
+ os << "right";
+ break;
+ case up:
+ os << "up";
+ break;
+ case down:
+ os << "down";
+ break;
+ default:
+ break;
+ }
+ os << ", font size = ";
+ switch(_fontSize) {
+ case small:
+ os << "small";
+ break;
+ case medium:
+ os << "medium";
+ break;
+ case large:
+ os << "large";
+ break;
+ }
+}
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